Shidou blinks at him, eyes going wide. "Sure," he said, tilting his head and licking the other's cheek, because why the hell not? "How do you want me to play with it, fingers or tongue?"

He let go of Denji's dick and slid his hand down. "Spread your legs for me, DenDen," he murmured, voice soft and low. "I'll show anything and everything you want to know about playing with your ass. It's seriously one of the best feelings ever."

Down the taint, and there it was that tight little ring of muscle. He touched it with his middle finger. "And the best part about anal is some chicks like it too. Their g-spot's not in it, but the rim," he circled it with his finger. "Is sensitive."